SPC41B1 Sunplus Technology Co., Ltd., SPC41B1 Datasheet - Page 15

• Manufacturer Part Number: SPC41B1
• Description: 40KB SOUND CONTROLLER
• Manufacturer: Sunplus Technology Co., Ltd.

11. REVISION HISTORY
© Sunplus Technology Co., Ltd.
Proprietary & Confidential
NOV. 04, 1999
FEB. 06, 1998
MAY. 13, 1998
MAY. 21, 1998
JUN. 02, 1998
JUN. 10, 1998
OCT. 19, 1998
OCT. 30, 2000
SEP. 04, 2001
Date
Revision #
0.1
0.2
0.3
0.4
0.5
1.0
1.1
1.2
1.3
Original
Add “Note2: To ensure IC function properly, please bond all of the VDD and VSS pins.
Add, Low voltage reset function description
1. Revise the grammars and spelling in “GENERAL DESCRIPTION”, “FEATURES”,
2. Describe there are two D/As in the (only one) audio current output in “GENERAL
1. Delete “The average instruction cycle is around 2.5 clock cycles. It means the 4MHz clock
2. Delete “(minimun.)” in the “FEATURES”
Delete “PRELIMINARY”
Renew to a new document format
1. Feature: 13 sec. Speech @ 6KHz sampling rates with 4-bit ADPCM
2. Block Diagram: Two 8-bit D/A (current) - one AUD output pin
1. Correct chip size
2. Add Note1 and Note3 in the “9.1 PAD Assignment”
3. Renew to a new document format
“BLOCK DIAGRAM”, “FUNCTIONAL DESCRIPTIONS”, “TIMER/COUNTER”,
“SPEECH AND MELODY”, and “APPLICATION CIRCUITS”
DESCRIPTION”
can offer approxinately 750ns per instruction cycle.
15
Description
SPC41B1
”
SEP. 04, 2001
Version: 1.3
Page
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